13. Create a class called Invoice that a hardware store might use to represent an invoice for an item sold at the store. An Invoice should include four data members a part number, a part description, a quantity of the item being purchased and a price per item.
13. Create a class called Invoice that a hardware store might use to represent an invoice for an item sold at the store. An Invoice should include four data members a part number, a part description, a quantity of the item being purchased and a price per item.